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Welcome to FordPinto.com, The home of the PCCA => General Help- Ask the Experts... => Topic started by: Jdm071755 on September 30, 2017, 08:28:46 AM

Title: Engine oil
Post by: Jdm071755 on September 30, 2017, 08:28:46 AM
Is a full synthetic oil a good choice for an older engine?


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Title: Re: Engine oil
Post by: r4pinto on September 30, 2017, 08:58:19 AM
Personally I wouldn't since it is more pure than crude, and there may be issues with leakage internally and externally. Not saying there will but there is the possibility. Depends on many different variables such as mileage, age, condition, etc. Ultimately it's your call. If anything I would go with a blend or high mileage oil depending on miles.
Title: Re: Engine oil
Post by: r4pinto on September 30, 2017, 09:04:23 AM
There are many links on the web about using synthetic oil in older engines. Best thing you can do is search and make the decision that best fits you since you and only you can make that decision.

Below is an example of such a site:

https://www.yourmechanic.com/article/what-are-the-risks-of-switching-to-synthetic-oil-in-older-cars
Title: Re: Engine oil
Post by: dick1172762 on September 30, 2017, 09:16:33 AM
Most of time the front and rear crankshaft seals can leak if the engine is very old. Not always but there is that chance. Synthetic oil in a real old engine is a little to late and will gain you nothing in the life span of the engine. I have taken apart many 2300 Lima engines and they all had the same problem. The crank and rod bearings are showing copper at around 100000 to 150000 miles and the valve stem seals are hard and wore out big time. The new engines made today will go 300000 miles if you treat them right. The engines made in the 60's and 70's will not. Changing the oil is more important than what kind of oil is used. I change oil in all of my cars at 3000 miles. Cheap insurance for sure.
Title: Re: Engine oil
Post by: Jdm071755 on September 30, 2017, 12:06:10 PM
Thanks everyone. I will stick with old school oil.


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